Windows and Glazing includes everything you need to let light and natural ventilation into any space, both internally and externally – think glazing systems, glazing units, passive windows, secondary windows, window accessories, window components, window screens, and windows.

Windows and accessories are used in the vast majority of commercial, residential, and industrial properties, including gyms, sports centres, schools, hotels, hospitals, shopping centres, restaurants, and office buildings.

Through SpecifiedBy, you can search the biggest range of products in the UK, allowing you to source and compare the best windows and accessories solutions for your project, from some of the industry’s leading suppliers, including Alcoa, Astralux, Bereco, Colt UK, DBP Partners Lts, Décor Systems, Eurocell, Glassolutions, and Green Building Store.

Search and compare curtain walling, direct glazing, fire resisting glazing systems, glazing clips, double glazing units, leaded glass, toughened glass, wired glass, triple-glazing units, window hinges, window locks, window pivots, and much, much more.

Aluminium Clad Wood Casement Window

Marvin Architectural
Whether building a new home, refurbishing or extending, the Marvin Aluminium Clad Wood Casement Window suits virtually any application. Offering flexibility of application, design and size this window also has a state-of-the-art wash mode feature as standard m...

Charisma Sliding Windows

Charisma sash windows offer cottage-style looks combined with thermal efficiency performance that exceeds all current legislative requirements and building standards, plus approved security performance and a sophisticated mechanism for easy cleaning and ventil...

Fire rated inward opening timber aluminium windows (90mm)

GreenSteps Ltd
GreenSteps fire rated inward opening timber aluminium windows for high performance domestic and commercial projects. KEY CHARACTERISTICS: Timber aluminium frames - Frames are made of oak. Double glazed units containing Contraflam glass with low e-coating ...

Roller Window - S700 Series - Top Mounted - Domestic - Made to Measure

The Flyscreen Company Ltd
Features Screens can be face fitted on to the window frame or the wall outside the reveal. They can also be reveal fitted. If your window opens out the screen will be fitted on the inside and vice versa. The mesh screen is operated using a handle on the ed...

External awning ZMA

Easy-Trim Roto
Heat protection without darkening If not light, but rather heat needs tobe deflected, it would be favourable to use the Roto electric external awning. Approximately 95% of the heat radiation can be deflected this way, before it reaches the window pane. A hi...

Wood Sliding Sash Windows

Marvin Architectural
Marvin’s fully wood sliding sash windows combine state-of-the-art window design with rich, classic style. What sets the Marvin wooden sliding sash window apart is its authentic traditional detail including slim frames, narrow glazing bars and snug, air-tight...

Euro profile tilt and turn triple glazed timber aluminium composite windows (78mm)

GreenSteps Ltd
GreenSteps euro profile tilt and turn windows for high performance domestic and commercial projects. KEY CHARACTERISTICS: Timber aluminium composite frames - Frames are made of engineered pine as standard, but oak, larch and special hardwoods are available...

Exterior Folding Weatherfold 4s Window 35

Brio UK
Brio Weatherfold Window 35 is designed for exterior folding windows in residential or light commercial applications with up to six panels folding in one direction. Each window sash can weigh 35kg by 1000mm wide comfortably accommodating a span of 12 metres. Th...

Premium Tilt Before Turn Windows

Duration Group
These Tilt and Turn windows provide an ideal solution for high-rise applications where internal glazing and ease of cleaning are essential. Premium Tilt Before Turn windows are thermally efficient, secure and versatile. Suitable for all: Commercial, Retail, Re...

SAS PURe® Aluminium Window System

Senior Architectural Systems Ltd (SAS)
The PURe® window range is a revolutionary new range of aluminium windows which uses an innovative, enhanced thermal barrier manufactured from expanded polyurethane (PUR) allowing ultra-low U-values to be achieved. PURe® aluminium windows are fully compati...
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Did you know that the most common Operation for products within the Windows & Accessories category are Manual , chain and fixed?'

Insulated Glass Units (IGU) for Commercial Projects

Crystal Units Ltd
Crystal Units is one of the country’s leading manufacturers of commercial glazing developments. Always thriving to be at the forefront of glass technology we continually invest in quality, high-tech machinery and industrial science. Our workforce is constant...

Smarts 47 Aluminium Windows

Duration Group
Smarts 47 Windows are very popular, and offer everything you would expect from a quality aluminium window. The inherent strength of the aluminium means the frame is slimmer than PVCu or timber, letting the maximum amount of light into your home. These windows ...

Vertical Sliding Windows

The elegant conservation grade vertical sliding PVCu sash window from Synseal provides all the benefits of period charm while retaining the high technology of PVCu at a cost-effective price. • NOW..Available with run through sash horns • 9 colourways ava...

Flush casement double glazed timber windows (71/63mm)

GreenSteps Ltd
GreenSteps flush casement windows for high performance domestic and commercial projects. KEY CHARACTERISTICS: Timber frames - Frames are made of engineered pine as standard, but oak, larch and special hardwoods are available on request. Double glazed unit...

Dolomite Blind

Curtain and Blind Specialists
Dolomite Blind is a new blackout roller system for education, healthcare and home cinema schemes with strong, light excluding side channels with fastener to hold the fabric captive without blowing out, even in windy conditions. APPLICATION: - CONTRACT for of...

Multi-Comfort Easy Access Tilt and Turn Hardware

Maco Door & Window Hardware (UK) Ltd
Easy-to-operate windows should be a given. Sometimes, we all find it difficult to reach a window: behind the sink in the kitchen, in the bathroom or staircase. The MACO MULTI deluxe hardware for PVC and timber windows let all users handle any tilt&turn wind...

Elite 92 Alu

Olsen Doors & Windows Ltd
Elite 92 Alu is a range of timber with aluminium cladding, inward opening tilt & turn windows. With multiple functions available, the Elite 92 Alu range is a very popular choice on many projects for domestic, commercial and residential use. Enhanced security o...

airvent SM TIPVENT - Plastic Surface Mounted Window Vent

The SM TIPVENT is a high quality, dual opening, plastic window vent available in 3 core airflow sizes. Features include: 3 core product sizes: 2700mm2 Equivalent Area and 4000mm2 Geometric Open Area 2500mm2 Equivalent Area and 3000mm2 Geometric Open Area ...

airvent DG Standard Glazed In Window Vent

The DG standard is a durable, robust and cost effective Glazed In vent, suitable for a wide range of applications. Core features include: Insect Grill Aluminium Construction (vent body) uPVC Hood Polyester Powder Coated 10 Year Guarantee The DG S...

Standard Sash Eye

Pickard Hardware
Economically priced standard sash eye. ...
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Did you know that the most common Type for products within the Windows & Accessories category are Double Glazing , Solar Control and Laminated?'

VS 600 - Vertical Sliding Windows

Smart Systems
A traditional sash window that may be used in heritage and conservation areas where Georgian and Victorian architecture is predominate. The ease of operation and excellent natural ventilation rates means that VS 600 is also suited to high occupancy buildings. ...

Windows & Glazing Building Products